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implab » implabjs-core
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Clone from http://hg.code.sf.net/p/implabjs/core

added safe.firstWhere
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r75:682bf9cf6f0c default
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@@ -1,6 +1,5
1 {
1 {
2 "java.configuration.updateBuildConfiguration": "disabled",
2 "java.configuration.updateBuildConfiguration": "disabled",
3 "tslint.enable": true,
4 "search.exclude": {
3 "search.exclude": {
5 "**/node_modules": true,
4 "**/node_modules": true,
6 "**/bower_components": true,
5 "**/bower_components": true,
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@@ -1,4 +1,7
1 export type Constructor<T = {}> = new (...args: any[]) => T;
1 export interface Constructor<T = {}> {
2 new (...args: any[]): T;
3 prototype: T;
4 }
2
5
3 export type Factory<T = {}> = (...args: any[]) => T;
6 export type Factory<T = {}> = (...args: any[]) => T;
4
7
@@ -9,7 +12,11 export interface MapOf<T> {
9 }
12 }
10
13
11 export interface IDestroyable {
14 export interface IDestroyable {
12 destroy();
15 destroy(): void;
16 }
17
18 export interface IRemovable {
19 remove(): void;
13 }
20 }
14
21
15 export interface ICancellation {
22 export interface ICancellation {
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@@ -1,13 +1,10
1 import { ICancellable } from "./interfaces";
1 import { ICancellable, Constructor } from "./interfaces";
2
2
3 let _nextOid = 0;
3 let _nextOid = 0;
4 const _oid = typeof Symbol === "function" ?
4 const _oid = typeof Symbol === "function" ?
5 Symbol("__implab__oid__") :
5 Symbol("__implab__oid__") :
6 "__implab__oid__";
6 "__implab__oid__";
7
7
8 declare const window: any;
9 declare const global: any;
10
11 export function oid(instance: object): string {
8 export function oid(instance: object): string {
12 if (isNull(instance))
9 if (isNull(instance))
13 return null;
10 return null;
@@ -18,62 +15,62 export function oid(instance: object): s
18 return (instance[_oid] = "oid_" + (++_nextOid));
15 return (instance[_oid] = "oid_" + (++_nextOid));
19 }
16 }
20
17
21 export function argumentNotNull(arg, name) {
18 export function argumentNotNull(arg: any, name: string) {
22 if (arg === null || arg === undefined)
19 if (arg === null || arg === undefined)
23 throw new Error("The argument " + name + " can't be null or undefined");
20 throw new Error("The argument " + name + " can't be null or undefined");
24 }
21 }
25
22
26 export function argumentNotEmptyString(arg, name) {
23 export function argumentNotEmptyString(arg: any, name: string) {
27 if (typeof (arg) !== "string" || !arg.length)
24 if (typeof (arg) !== "string" || !arg.length)
28 throw new Error("The argument '" + name + "' must be a not empty string");
25 throw new Error("The argument '" + name + "' must be a not empty string");
29 }
26 }
30
27
31 export function argumentNotEmptyArray(arg, name) {
28 export function argumentNotEmptyArray(arg: any, name: string) {
32 if (!(arg instanceof Array) || !arg.length)
29 if (!(arg instanceof Array) || !arg.length)
33 throw new Error("The argument '" + name + "' must be a not empty array");
30 throw new Error("The argument '" + name + "' must be a not empty array");
34 }
31 }
35
32
36 export function argumentOfType(arg, type, name) {
33 export function argumentOfType(arg: any, type: Constructor<{}>, name: string) {
37 if (!(arg instanceof type))
34 if (!(arg instanceof type))
38 throw new Error("The argument '" + name + "' type doesn't match");
35 throw new Error("The argument '" + name + "' type doesn't match");
39 }
36 }
40
37
41 export function isNull(arg) {
38 export function isNull(val: any) {
42 return (arg === null || arg === undefined);
39 return (val === null || val === undefined);
43 }
40 }
44
41
45 export function isPrimitive(arg): arg is string | number | boolean | undefined | null {
42 export function isPrimitive(val: any): val is string | number | boolean | undefined | null {
46 return (arg === null || arg === undefined || typeof (arg) === "string" ||
43 return (val === null || val === undefined || typeof (val) === "string" ||
47 typeof (arg) === "number" || typeof (arg) === "boolean");
44 typeof (val) === "number" || typeof (val) === "boolean");
48 }
45 }
49
46
50 export function isInteger(arg): arg is number {
47 export function isInteger(val: any): val is number {
51 return parseInt(arg, 10) === arg;
48 return parseInt(val, 10) === val;
52 }
49 }
53
50
54 export function isNumber(arg): arg is number {
51 export function isNumber(val: any): val is number {
55 return parseFloat(arg) === arg;
52 return parseFloat(val) === val;
56 }
53 }
57
54
58 export function isString(val): val is string {
55 export function isString(val: any): val is string {
59 return typeof (val) === "string" || val instanceof String;
56 return typeof (val) === "string" || val instanceof String;
60 }
57 }
61
58
62 export function isPromise(val): val is PromiseLike<any> {
59 export function isPromise(val: any): val is PromiseLike<any> {
63 return val && typeof val.then === "function";
60 return val && typeof val.then === "function";
64 }
61 }
65
62
66 export function isCancellable(val): val is ICancellable {
63 export function isCancellable(val: any): val is ICancellable {
67 return val && typeof val.cancel === "function";
64 return val && typeof val.cancel === "function";
68 }
65 }
69
66
70 export function isNullOrEmptyString(str) {
67 export function isNullOrEmptyString(val: any): val is string | null | undefined {
71 if (str === null || str === undefined ||
68 if (val === null || val === undefined ||
72 ((typeof (str) === "string" || str instanceof String) && str.length === 0))
69 ((typeof (val) === "string" || val instanceof String) && val.length === 0))
73 return true;
70 return true;
74 }
71 }
75
72
76 export function isNotEmptyArray(arg): arg is Array<any> {
73 export function isNotEmptyArray(arg: any): arg is Array<any> {
77 return (arg instanceof Array && arg.length > 0);
74 return (arg instanceof Array && arg.length > 0);
78 }
75 }
79
76
@@ -320,6 +317,13 export function pfor(items, cb) {
320 return next();
317 return next();
321 }
318 }
322
319
320 export function first<T>(sequence: ArrayLike<T>): T;
321 export function first<T>(sequence: PromiseLike<ArrayLike<T>>): PromiseLike<T>;
322 export function first<T>(
323 sequence: ArrayLike<T> | PromiseLike<ArrayLike<T>>,
324 cb: (x: T) => void,
325 err?: (x: Error) => void
326 ): void;
323 /**
327 /**
324 * Выбирает первый элемент из последовательности, или обещания, если в
328 * Выбирает первый элемент из последовательности, или обещания, если в
325 * качестве параметра используется обещание, оно должно вернуть массив.
329 * качестве параметра используется обещание, оно должно вернуть массив.
@@ -333,28 +337,92 export function pfor(items, cb) {
333 * обещание, либо первый элемент.
337 * обещание, либо первый элемент.
334 * @async
338 * @async
335 */
339 */
336 export function first(sequence, cb: (x) => any, err: (x) => any) {
340 export function first<T>(
337 if (sequence) {
341 sequence: ArrayLike<T> | PromiseLike<ArrayLike<T>>,
338 if (isPromise(sequence)) {
342 cb?: (x: T) => void,
339 return sequence.then(res => first(res, cb, err));
343 err?: (x: Error) => void
340 } else if (sequence && "length" in sequence) {
344 ) {
341 if (sequence.length === 0) {
345 if (isPromise(sequence)) {
342 if (err)
346 return sequence.then(res => first(res, cb, err));
343 return err(new Error("The sequence is empty"));
347 } else if (sequence && "length" in sequence) {
344 else
348 if (sequence.length === 0) {
345 throw new Error("The sequence is empty");
349 if (err)
346 }
350 return err(new Error("The sequence is empty"));
347 return cb ? cb(sequence[0]) : sequence[0];
351 else
352 throw new Error("The sequence is empty");
353 } else if (cb) {
354 cb(sequence[0]);
355 } else {
356 return sequence[0];
348 }
357 }
358 } else {
359 if (err)
360 err(new Error("The sequence is required"));
361 else
362 throw new Error("The sequence is required");
349 }
363 }
350
351 if (err)
352 return err(new Error("The sequence is required"));
353 else
354 throw new Error("The sequence is required");
355 }
364 }
356
365
357 export function destroy(d) {
366 export function firstWhere<T>(
367 sequence: ArrayLike<T>,
368 predicate: (x: T) => boolean
369 ): T;
370 export function firstWhere<T>(
371 sequence: PromiseLike<ArrayLike<T>>,
372 predicate: (x: T) => boolean
373 ): PromiseLike<T>;
374 export function firstWhere<T>(
375 sequence: ArrayLike<T> | PromiseLike<ArrayLike<T>>,
376 predicate: (x: T) => boolean,
377 cb: (x: T) => void,
378 err?: (x: Error) => void
379 ): void;
380
381 export function firstWhere<T>(
382 sequence: ArrayLike<T> | PromiseLike<ArrayLike<T>>,
383 predicate?: (x: T) => boolean,
384 cb?: (x: T) => void,
385 err?: (x: Error) => void
386 ) {
387 if (isPromise(sequence)) {
388 return sequence.then(res => firstWhere(res, predicate, cb, err));
389 } else if (sequence && "length" in sequence) {
390 if (sequence.length === 0) {
391 if (err)
392 err(new Error("The sequence is empty"));
393 else
394 throw new Error("The sequence is empty");
395 } else {
396 if (!predicate) {
397 return cb ? cb(sequence[0]) : sequence[0];
398 } else {
399 for (let i = 0; i < sequence.length; i++) {
400 const v = sequence[i];
401 if (predicate(v))
402 return cb ? cb(v) : v;
403 }
404 if (err)
405 err(new Error("The sequence doesn't contain matching items"));
406 else
407 throw new Error("The sequence doesn't contain matching items");
408 }
409 }
410 } else {
411 if (err)
412 err(new Error("The sequence is required"));
413 else
414 throw new Error("The sequence is required");
415 }
416 }
417
418 export function destroy(d: any) {
358 if (d && "destroy" in d)
419 if (d && "destroy" in d)
359 d.destroy();
420 d.destroy();
360 }
421 }
422
423 /**
424 * Used to mark that the async operation isn't awaited intentionally.
425 * @param p The promise which represents the async operation.
426 */
427 export function nowait(p: Promise<any>) {
428 }
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@@ -16,8 +16,10
16 "no-bitwise": false,
16 "no-bitwise": false,
17 "no-empty": false,
17 "no-empty": false,
18 "no-namespace": false,
18 "no-namespace": false,
19 "no-string-literal": false,
20 "ordered-imports": false,
19 "ordered-imports": false,
20 "no-return-await": true,
21 "no-floating-promises": true,
22 "prefer-for-of": false,
21 "one-line": [
23 "one-line": [
22 true,
24 true,
23 "check-open-brace",
25 "check-open-brace",
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